Periodic Table II)

The most reactive metals can be found in

• Group 1A
• Group 3 A
• Group 4 A
• Group 7 A

In the modern periodic table elements are arranged by:

• symbols

• atomic number

• valence electrons

• number of isotopes

Each row in the periodic table is called a 

• group
• period
• cluster
• unit

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

The family in the periodic table that contains the most reactive metals is the_______

• Alkaline Earth Metals
• Transition Metals 
• Alkali Metals
• Other Metals

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

The atomic number of this pictured element is

• 28
• 58.6934
• Ni
• Nickel

Tags

NGSS.HS-PS1-1

Generally, as you move from left to right across the periodic table, elements become

• larger.

• more electronegative.

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NGSS.HS-PS1-2

A(n) _______ electron is _______ the nucleus.

• spinning,  closest to
• valence,  attached to
• valence, farthest from
• negative, inside

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2